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When to Plant Columbine in Crane County, TX

Crane County, Texas Zone 8a June

June in the garden — Crane County, Texas

June is a pivotal month for Crane County, Texas gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 20
Avg. first frost November 12
Soil temp (4") 67°F
Watering High
Pest pressure High
Daylight 14 hrs
  1. Start harvesting columbine

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

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Wild Columbine (Aquilegia canadensis) is a graceful native perennial of eastern North America, producing distinctive nodding flowers with spurred red-and-yellow petals that are irresistible to hummingbirds and native bees in spring. Its blue-green, fernlike foliage remains attractive long after flowering. Garden hybrid columbines (A. x hybrida) extend the color palette to the full spectrum and are equally adaptable. Short-lived by perennial standards (3–4 years per plant), but prolific self-seeders that perpetuate themselves and even hybridize freely in the garden, creating ever-evolving color combinations. An ideal woodland edge and cottage garden plant.

Crane County, Texas is in USDA Zone 8a. The average last spring frost is March 20 and the first fall frost is November 12, giving you a growing season of approximately 237 days.

At an elevation of 4,486 feet, Crane County receives approximately 46.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98°F, so Columbine may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Columbine will need more frequent watering and organic matter to retain nutrients.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Crane County, TX (Zone 8a) Long season
237 days
Last Spring Frost March 20
237 growing days
First Fall Frost November 12

Crane County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.1-8.4

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (161 days to spare)
Start indoors: Jan 13 Transplant: Mar 10 🌸 Bloom: Apr 28 – May 26
Recommended (50%) ✓ Fits season (160 days to spare)
Start indoors: Jan 23 Transplant: Mar 20 🌸 Bloom: May 8 – Jun 5
Safe Start (90%) ✓ Fits season (153 days to spare)
Start indoors: Feb 16 Transplant: Apr 13 🌸 Bloom: Jun 1 – Jun 29

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Crane County

How your county's soil matches Columbine's growing requirements.

Soil pH

Your soil pH (7.1–8.4) is more alkaline than Columbine prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Crane County warms quickly in spring but drains fast. Columbine will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Columbine.

Organic Matter

Organic matter is low (1.1%). Add 2-3 inches of compost before planting Columbine.

How to Plant Columbine

0.1"
Planting Depth
12"
Between Plants
18"
Between Rows

Succession Planting Columbine

3
successive plantings in your 237-day season

Sow every 8 weeks. Last sowing by Aug 04 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,191 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Columbine

Columbine needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Columbine Needs Rainfall You Supplement Action
Jan 2.9" 0" ❄️ Dormant
Feb 2.4" 0" ❄️ Dormant
Mar 4.3" 2.5" 1.8" 💧 Light watering
Apr 4.3" 1.4" 2.9" 🚿 Regular watering
May 4.3" 1.2" 3.1" 🚿 Regular watering
Jun 4.3" 1.7" 2.6" 🚿 Regular watering
Jul 4.3" 7.4" 0" ✅ Rainfall sufficient
Aug 4.3" 9.5" 0" ✅ Rainfall sufficient
Sep 4.3" 7.6" 0" ✅ Rainfall sufficient
Oct 4.3" 4.9" 0" ✅ Rainfall sufficient
Nov 4.3" 2.4" 1.9" 💧 Light watering
Dec 3.1" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Crane County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Columbine Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Columbine needs ~1,998 GDD — county provides 5,569 GDD Excellent fit

Columbine Planting Timeline — Crane County, TX

Columbine Planting Calendar

Activity When Date Range
Start Indoors January 23 Jan 23 – Feb 6
Transplant Outdoors March 20 Mar 20 – Apr 3
Direct Sow March 20 Mar 20 – Apr 10
Bloom May 8 May 8 – Jun 5

Plant 0.1" deep · 12" apart · Rows 18" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Bloom
June Bloom
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

237 days in Crane County

Growing Tips for Columbine in Crane County

Direct sow Columbine outdoors after March 20 in Crane County when soil has warmed and frost danger has passed.

Sandy soil in Crane County dries quickly — mulch Columbine with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 98°F in Crane County, provide afternoon shade for Columbine and water deeply in the morning.

General growing tips

Start seeds indoors 8–10 weeks before last frost with 4–6 weeks of cold moist stratification first (mix seeds with moist perlite in a bag and refrigerate), or direct-sow outdoors in fall for natural stratification. Transplant to the garden 2–4 weeks after last frost in spring. Prefers cool, moist, well-drained soil with morning sun and afternoon shade, especially in Zones 6+. After bloom, allow seed pods to mature and scatter if you want natural self-seeding; deadhead if you want to prevent spreading. Individual plants are typically short-lived (3–5 years) but colonies persist through prolific self-seeding. Leafminers may create white tunnels in foliage — unsightly but rarely serious. Year 2+ plants flower most profusely.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Columbine in Crane County, TX?

Crane County is in Zone 8a with an average last frost of March 20. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Crane County, TX?

Crane County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 20 and first fall frost is November 12.

🌱

Your Crane County Garden Planner — Free

A 22-page printable planner built for Crane County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Crane County, TX. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.